210522145324450 has 24 divisors (see below), whose sum is σ = 404202519025920. Its totient is φ = 81492443350800.

The previous prime is 210522145324397. The next prime is 210522145324471. The reversal of 210522145324450 is 54423541225012.

210522145324450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67910367910 + ... + 67910371009.

It is an arithmetic number, because the mean of its divisors is an integer number (16841771626080).

Almost surely, 2^{210522145324450} is an apocalyptic number.

210522145324450 is a deficient number, since it is larger than the sum of its proper divisors (193680373701470).

210522145324450 is a wasteful number, since it uses less digits than its factorization.

210522145324450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135820738962 (or 135820738957 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 210522145324450 its reverse (54423541225012), we get a palindrome (264945686549462).

The spelling of 210522145324450 in words is "two hundred ten trillion, five hundred twenty-two billion, one hundred forty-five million, three hundred twenty-four thousand, four hundred fifty".